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Finding the Fourth Proportional to 8,046.40, 12,062.04 and 4,149.76

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Solution

The fourth proportional to 8,046.40, 12,062.04 and 4,149.76 is: 6,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.40 : 12,062.04 = 4,149.76 : x
  2. Step 2: Convert to fraction form
    8,046.40/12,062.04 = 4,149.76/x
  3. Step 3: Cross multiply
    8,046.40x = 12,062.04 × 4,149.76
  4. Step 4: Simplify right side
    8,046.40x = 50,054,571.11
  5. Step 5: Solve for x
    x = 50,054,571.11/8,046.40
  6. Step 6: Final answer
    x = 6,220.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.